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24-Pin E-Ink Display HAT Adapter Board | ePaper Module for ESP32 & STM32 (DESPI-C02)
24-Pin E-Ink Display HAT Adapter Board
Basic Parameters
- Outline size: 41x22mm
- Communication Interface: SPI
- Screen Interface: 24PIN 0.5mm
- Key Components: SI1308EDL, MBR0530
- DIP Switch: RESE resistor selection (2.2Ω, 0.47Ω)
- Operating Voltage: 3.3V
- Operating Temperature: -20~70℃
Key Advantages
Broad Compatibility
Compatible with most 24PIN SPI e-paper displays up to 13.3 inches, meeting diverse display requirements.
Plug & Play Design
Direct connection with mainstream development boards, eliminating complex wiring and simplifying development.
Smart DIP Switch
Built-in DIP switch for easy resistance adjustment, compatible with UC, SSD and other driver IC series.
Debugging Support
Provides power measurement, status detection, and professional voltage test points for circuit validation.
Platform Compatibility
Direct connection with various mainstream development boards for seamless development experience:
Application Scenarios
- Embedded and IoT display interface development for low-power systems
- Rapid prototyping and functional verification of E-paper display modules
- E-paper driver circuit design and performance tuning

Display Pin Functions
| Pin Name | Function Description |
|---|---|
| BUSY | Busy status output pin |
| RES | External reset pin (low = reset) |
| D/C | Data/Command control pin (high = data, low = command) |
| CS | SPI chip select pin (active low) |
| SCK | SPI clock signal line |
| SDI | SPI data input line |
| GND | Ground |
| 3.3V | Power supply (positive) |
E-Paper Display Connection
Step 1: Flip up the connector latch. Make sure the e-paper display is facing white side up (silver side down).
Step 2: Insert the display into the connector, then press the latch down to secure the connection.
Driver Solution
ESP32 Driver Solution:
STM32 Driver Solution:
ESP8266 Driver Solution:
Arduino Driver Solution:
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